Jump to content

File:Cyclotron motion smaller view.jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia
    Original file (1,383 × 1,749 pixels, file size: 167 KB, MIME type: image/jpeg)

    Summary

    Description
    Français : Un faisceau d'électrons défléchis par un champ magnétique forme un cercle par effet cyclotron. La lueur provient de l'excitation des atomes gazeux prisonniers de l'ampoule.
    English: Beam of cathode rays (electrons) in a demonstration vacuum tube moving in a circle in a magnetic field (cyclotron motion). The electrons are produced by an electron gun at bottom, consisting of a hot cathode, a metal plate heated by a filament so it emits electrons, and a cylindrical metal anode at a high voltage which accelerates the electrons into a beam. The red circular Helmholtz coil partially visible behind the tube generates a horizontal magnetic field that exerts a Lorentz force on the electrons. The force on the electrons is perpendicular to their direction of motion, causing them to bend into a circular path. Cathode rays are normally invisible, but enough air has been left in the tube so that the air molecules glow pink from fluorescence when struck by the fast-moving electrons.
    Date
    Source File:Cyclotron_motion_wider_view.jpg
    Author Sfu

    This is a cropped image of File:Cyclotron motion wider view.jpg. It only displays the bulb.

    Licensing

    w:en:Creative Commons
    attribution share alike
    This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
    You are free:
    • to share – to copy, distribute and transmit the work
    • to remix – to adapt the work
    Under the following conditions:
    • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
    • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

    Captions

    Add a one-line explanation of what this file represents
    copyright status<\/a>"}},"text\/plain":{"en":{"":"copyright status"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":50423863,\"id\":\"Q50423863\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P6216":"copyrighted<\/a>"}},"text\/plain":{"en":{"P6216":"copyrighted"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P6216 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    copyright status

    copyrighted

    inception<\/a>"}},"text\/plain":{"en":{"":"inception"}}},"{\"value\":{\"time\":\"+2008-11-20T00:00:00Z\",\"timezone\":0,\"before\":0,\"after\":0,\"precision\":11,\"calendarmodel\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q1985727\"},\"type\":\"time\"}":{"text\/html":{"en":{"P571":"20 November 2008"}},"text\/plain":{"en":{"P571":"20 November 2008"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P571 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    inception

    20 November 2008

    captured with<\/a>"}},"text\/plain":{"en":{"":"captured with"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":1057048,\"id\":\"Q1057048\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P4082":"Nikon D40<\/a>"}},"text\/plain":{"en":{"P4082":"Nikon D40"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P4082 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    captured with

    Nikon D40

    exposure time<\/a>"}},"text\/plain":{"en":{"":"exposure time"}}},"{\"value\":{\"amount\":\"+5\",\"unit\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q11574\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P6757":"5 second<\/span>"}},"text\/plain":{"en":{"P6757":"5 second"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P6757 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    exposure time

    5 second

    f-number<\/a>"}},"text\/plain":{"en":{"":"f-number"}}},"{\"value\":{\"amount\":\"+4\",\"unit\":\"1\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P6790":"4"}},"text\/plain":{"en":{"P6790":"4"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P6790 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    f-number

    4

    focal length<\/a>"}},"text\/plain":{"en":{"":"focal length"}}},"{\"value\":{\"amount\":\"+18\",\"unit\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q174789\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P2151":"18 millimetre<\/span>"}},"text\/plain":{"en":{"P2151":"18 millimetre"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P2151 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    focal length

    18 millimetre

    ISO speed<\/a>"}},"text\/plain":{"en":{"":"ISO speed"}}},"{\"value\":{\"amount\":\"+200\",\"unit\":\"1\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P6789":"200"}},"text\/plain":{"en":{"P6789":"200"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P6789 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    ISO speed

    200

    media type<\/a>"}},"text\/plain":{"en":{"":"media type"}}},"{\"value\":\"image\\\/jpeg\",\"type\":\"string\"}":{"text\/html":{"en":{"P1163":"image\/jpeg"}},"text\/plain":{"en":{"P1163":"image\/jpeg"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P1163 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    media type

    image/jpeg

    instance of<\/a>"}},"text\/plain":{"en":{"":"instance of"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":125191,\"id\":\"Q125191\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P31":"photograph<\/a>"}},"text\/plain":{"en":{"P31":"photograph"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P31 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    instance of

    photograph

    checksum<\/a>"}},"text\/plain":{"en":{"":"checksum"}}},"{\"value\":\"6b139546f27f9beeb811e0826fe830ceaa309c4a\",\"type\":\"string\"}":{"text\/html":{"en":{"P4092":"6b139546f27f9beeb811e0826fe830ceaa309c4a"}},"text\/plain":{"en":{"P4092":"6b139546f27f9beeb811e0826fe830ceaa309c4a"}}},"{\"value\":{\"entity-type\":\"property\",\"numeric-id\":459,\"id\":\"P459\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"":"determination method or standard<\/a>"}},"text\/plain":{"en":{"":"determination method or standard"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":13414952,\"id\":\"Q13414952\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P459":"SHA-1<\/a>"}},"text\/plain":{"en":{"P459":"SHA-1"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P4092 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    checksum

    6b139546f27f9beeb811e0826fe830ceaa309c4a

    determination method or standard: SHA-1
    data size<\/a>"}},"text\/plain":{"en":{"":"data size"}}},"{\"value\":{\"amount\":\"+170716\",\"unit\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q8799\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P3575":"170,716 byte<\/span>"}},"text\/plain":{"en":{"P3575":"170,716 byte"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P3575 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    data size

    170,716 byte

    height<\/a>"}},"text\/plain":{"en":{"":"height"}}},"{\"value\":{\"amount\":\"+1749\",\"unit\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q355198\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P2048":"1,749 pixel<\/span>"}},"text\/plain":{"en":{"P2048":"1,749 pixel"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P2048 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    height

    1,749 pixel

    width<\/a>"}},"text\/plain":{"en":{"":"width"}}},"{\"value\":{\"amount\":\"+1383\",\"unit\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q355198\"},\"type\":\"quantity\"}":{"text\/html":{"en":{"P2049":"1,383 pixel<\/span>"}},"text\/plain":{"en":{"P2049":"1,383 pixel"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P2049 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

    width

    1,383 pixel

    File history

    Click on a date/time to view the file as it appeared at that time.

    Date/TimeThumbnailDimensionsUserComment
    current18:58, 16 August 2012Thumbnail for version as of 18:58, 16 August 20121,383 × 1,749 (167 KB)Cantons-de-l'Est

    The following 3 pages use this file:

    Global file usage

    The following other wikis use this file:

    Metadata

    This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

    If the file has been modified from its original state, some details may not fully reflect the modified file.

    Retrieved from "https://en.wikipedia.org/wiki/File:Cyclotron_motion_smaller_view.jpg"